Finding the Fourth Proportional to 558,670.08, 770,911.39 and 313,598.74
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Solution
The fourth proportional to 558,670.08, 770,911.39 and 313,598.74 is: 432,736.33
Step by Step Solution
- Step 1: Write the proportion equation
558,670.08 : 770,911.39 = 313,598.74 : x - Step 2: Convert to fraction form
558,670.08/770,911.39 = 313,598.74/x - Step 3: Cross multiply
558,670.08x = 770,911.39 × 313,598.74 - Step 4: Simplify right side
558,670.08x = 241,756,840,465.83 - Step 5: Solve for x
x = 241,756,840,465.83/558,670.08 - Step 6: Final answer
x = 432,736.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.